Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Palm Blood Pressure-Easy&Log
Palm Blood Pressure is an application for recording, analyzing and managing blood pressure data
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.6
126 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Palm Blood Pressure-Easy&Log: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Incorporate more detailed health tracking features such as medication reminders or integration with health devices.
Assumption to check: Limited features for managing health data
Validate with people who use this workflow before building.
Hypothesis 2
Provide a more guided onboarding for users to understand how to log readings and interpret data.
Assumption to check: User interface can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Add social features that enable users to share progress with friends or create challenges.
Assumption to check: Lack of social sharing or challenge features
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Palm Blood Pressure is an application for recording, analyzing and managing blood pressure data. We hope that users can get rid of the troubles caused by paper records and make blood pressure records easier. This product is very suitable for users who need to record and track blood pressure for a long time, and it also provides great convenience for doctors to analyze blood pressure changes of patients. Outstanding features: - Simple and easy to use user interface - Statistical graphs that visually display the trend of blood pressure over time - Tips for different blood pressure ranges - Historical blood pressure data arranged in chronological order from near to far - Swipe to select to add data, fast and convenient - Read health information to deepen understanding of blood pressure Disclaimer:This application is designed to facilitate users to manage blood pressure health more conveniently. I hope it can play a certain auxiliary role in your treatment, but it cannot replace the doctor's treatment or advice. If you have any doubts about the treatment plan, please consult your doctor!
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
react-native-paper
dayjs
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
